*Eiichi Takazawa^1,2, Yumeno Kogure³, keisuke Ishii³, Sayantani Chatterjee¹, Natsuki Oyanagi¹, Katsuyoshi Michibayashi⁴, Yoshihiko Tamura², Oman DP Science Party (1. Niigata Uni. Sci., 2. JAMSTEC, 3. Niigata Univ., Grad. Sch. Sci. Tech., 4. Nagoya Univ.)

*Yuya Takeda¹, Seiichiro Uehara¹ (1. Kyushu Uni. Sci.)

*Daisuke Gokan¹, Toshio Nozaka¹ (1. Okayama Univ.)

*Koshi Nishimura¹, Junji Yamamoto², Hidemi Ishibashi³ (1. Toyo Univ., 2. Hokkaido Univ., 3. Shizuoka Univ.)

*Yuya Akamatsu¹, Ikuo Katayama¹, Takashi Tonegawa² (1. Hiroshima Univ. Sci., 2. JAMSTEC)

*Kenta Yoshida¹ (1. JAMSTEC)

*Keita Ohmori¹, Toshiro Nagase², Tatsuo Nozaki³, Takahiro Kuribayashi¹ (1. Tohoku Uni. Sci., 2. Tohoku Uni. Museum, 3. JAMSTEC)

*Chie Kato¹, Masao Ohno¹, Yoshihiro Kuwahara¹, Tadahiro Hatakeyama², Yasuhiro Yamada³, Shuhei Totsuka⁴, Kazuhiko Shimada⁴, Jun-ichiro Ishibashi⁴, Toshiro Nagase⁵ (1. Kyushu Univ., 2. Okayama Univ. Sci., 3. Tokyo Univ. Sci., 4. Kyushu univ., 5. Tohoku Univ.)

*Toshsuke Kawasaki¹ (1. Ehime Univ)

*Montani Akihiro¹ (1. Ehime Univ.)

*Junya Okazaki¹, Jun-ichi Ando¹, Kaushik Das¹, Naotaka Tomioka², Yu Kodama³ (1. Hiroshima Uni. Sci, 2. JAMSTEC, 3. Marine Works Japan Ltd.)